Home / 6,330.48-8,730.36-5,539.92

Finding the Fourth Proportional to 6,330.48, 8,730.36 and 5,539.92

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Solution

The fourth proportional to 6,330.48, 8,730.36 and 5,539.92 is: 7,640.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,330.48 : 8,730.36 = 5,539.92 : x
  2. Step 2: Convert to fraction form
    6,330.48/8,730.36 = 5,539.92/x
  3. Step 3: Cross multiply
    6,330.48x = 8,730.36 × 5,539.92
  4. Step 4: Simplify right side
    6,330.48x = 48,365,495.97
  5. Step 5: Solve for x
    x = 48,365,495.97/6,330.48
  6. Step 6: Final answer
    x = 7,640.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.